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Commit | Line | Data |
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bb36d470 FB |
1 | /* |
2 | * QEMU USB API | |
5fafdf24 | 3 | * |
bb36d470 | 4 | * Copyright (c) 2005 Fabrice Bellard |
5fafdf24 | 5 | * |
bb36d470 FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
c0f4ce77 AL |
24 | |
25 | #include "block.h" | |
806b6024 | 26 | #include "qdev.h" |
72cf2d4f | 27 | #include "qemu-queue.h" |
c0f4ce77 | 28 | |
bb36d470 FB |
29 | #define USB_TOKEN_SETUP 0x2d |
30 | #define USB_TOKEN_IN 0x69 /* device -> host */ | |
31 | #define USB_TOKEN_OUT 0xe1 /* host -> device */ | |
32 | ||
33 | /* specific usb messages, also sent in the 'pid' parameter */ | |
34 | #define USB_MSG_ATTACH 0x100 | |
35 | #define USB_MSG_DETACH 0x101 | |
36 | #define USB_MSG_RESET 0x102 | |
37 | ||
5fafdf24 | 38 | #define USB_RET_NODEV (-1) |
bb36d470 FB |
39 | #define USB_RET_NAK (-2) |
40 | #define USB_RET_STALL (-3) | |
41 | #define USB_RET_BABBLE (-4) | |
4d611c9a | 42 | #define USB_RET_ASYNC (-5) |
bb36d470 FB |
43 | |
44 | #define USB_SPEED_LOW 0 | |
45 | #define USB_SPEED_FULL 1 | |
46 | #define USB_SPEED_HIGH 2 | |
843d4e0c GH |
47 | #define USB_SPEED_SUPER 3 |
48 | ||
49 | #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) | |
50 | #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) | |
51 | #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) | |
52 | #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) | |
bb36d470 FB |
53 | |
54 | #define USB_STATE_NOTATTACHED 0 | |
55 | #define USB_STATE_ATTACHED 1 | |
56 | //#define USB_STATE_POWERED 2 | |
57 | #define USB_STATE_DEFAULT 3 | |
58 | //#define USB_STATE_ADDRESS 4 | |
59 | //#define USB_STATE_CONFIGURED 5 | |
60 | #define USB_STATE_SUSPENDED 6 | |
61 | ||
a594cfbf FB |
62 | #define USB_CLASS_AUDIO 1 |
63 | #define USB_CLASS_COMM 2 | |
64 | #define USB_CLASS_HID 3 | |
65 | #define USB_CLASS_PHYSICAL 5 | |
66 | #define USB_CLASS_STILL_IMAGE 6 | |
67 | #define USB_CLASS_PRINTER 7 | |
68 | #define USB_CLASS_MASS_STORAGE 8 | |
69 | #define USB_CLASS_HUB 9 | |
70 | #define USB_CLASS_CDC_DATA 0x0a | |
71 | #define USB_CLASS_CSCID 0x0b | |
72 | #define USB_CLASS_CONTENT_SEC 0x0d | |
73 | #define USB_CLASS_APP_SPEC 0xfe | |
74 | #define USB_CLASS_VENDOR_SPEC 0xff | |
75 | ||
bb36d470 FB |
76 | #define USB_DIR_OUT 0 |
77 | #define USB_DIR_IN 0x80 | |
78 | ||
79 | #define USB_TYPE_MASK (0x03 << 5) | |
80 | #define USB_TYPE_STANDARD (0x00 << 5) | |
81 | #define USB_TYPE_CLASS (0x01 << 5) | |
82 | #define USB_TYPE_VENDOR (0x02 << 5) | |
83 | #define USB_TYPE_RESERVED (0x03 << 5) | |
84 | ||
85 | #define USB_RECIP_MASK 0x1f | |
86 | #define USB_RECIP_DEVICE 0x00 | |
87 | #define USB_RECIP_INTERFACE 0x01 | |
88 | #define USB_RECIP_ENDPOINT 0x02 | |
89 | #define USB_RECIP_OTHER 0x03 | |
90 | ||
91 | #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
92 | #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
59ae540c FB |
93 | #define InterfaceRequest \ |
94 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
95 | #define InterfaceOutRequest \ | |
96 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
97 | #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) | |
98 | #define EndpointOutRequest \ | |
99 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) | |
f3571b1a MR |
100 | #define ClassInterfaceRequest \ |
101 | ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) | |
102 | #define ClassInterfaceOutRequest \ | |
103 | ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) | |
bb36d470 FB |
104 | |
105 | #define USB_REQ_GET_STATUS 0x00 | |
106 | #define USB_REQ_CLEAR_FEATURE 0x01 | |
107 | #define USB_REQ_SET_FEATURE 0x03 | |
108 | #define USB_REQ_SET_ADDRESS 0x05 | |
109 | #define USB_REQ_GET_DESCRIPTOR 0x06 | |
110 | #define USB_REQ_SET_DESCRIPTOR 0x07 | |
111 | #define USB_REQ_GET_CONFIGURATION 0x08 | |
112 | #define USB_REQ_SET_CONFIGURATION 0x09 | |
113 | #define USB_REQ_GET_INTERFACE 0x0A | |
114 | #define USB_REQ_SET_INTERFACE 0x0B | |
115 | #define USB_REQ_SYNCH_FRAME 0x0C | |
116 | ||
117 | #define USB_DEVICE_SELF_POWERED 0 | |
118 | #define USB_DEVICE_REMOTE_WAKEUP 1 | |
119 | ||
120 | #define USB_DT_DEVICE 0x01 | |
121 | #define USB_DT_CONFIG 0x02 | |
122 | #define USB_DT_STRING 0x03 | |
123 | #define USB_DT_INTERFACE 0x04 | |
124 | #define USB_DT_ENDPOINT 0x05 | |
25620cba GH |
125 | #define USB_DT_DEVICE_QUALIFIER 0x06 |
126 | #define USB_DT_OTHER_SPEED_CONFIG 0x07 | |
c6d3ad0f | 127 | #define USB_DT_INTERFACE_ASSOC 0x0B |
bb36d470 | 128 | |
942ac052 AZ |
129 | #define USB_ENDPOINT_XFER_CONTROL 0 |
130 | #define USB_ENDPOINT_XFER_ISOC 1 | |
131 | #define USB_ENDPOINT_XFER_BULK 2 | |
132 | #define USB_ENDPOINT_XFER_INT 3 | |
133 | ||
806b6024 | 134 | typedef struct USBBus USBBus; |
07771f6f | 135 | typedef struct USBBusOps USBBusOps; |
bb36d470 FB |
136 | typedef struct USBPort USBPort; |
137 | typedef struct USBDevice USBDevice; | |
806b6024 | 138 | typedef struct USBDeviceInfo USBDeviceInfo; |
4d611c9a | 139 | typedef struct USBPacket USBPacket; |
bb36d470 | 140 | |
37fb59d3 GH |
141 | typedef struct USBDesc USBDesc; |
142 | typedef struct USBDescID USBDescID; | |
143 | typedef struct USBDescDevice USBDescDevice; | |
144 | typedef struct USBDescConfig USBDescConfig; | |
6e625fc7 | 145 | typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; |
37fb59d3 GH |
146 | typedef struct USBDescIface USBDescIface; |
147 | typedef struct USBDescEndpoint USBDescEndpoint; | |
148 | typedef struct USBDescOther USBDescOther; | |
132a3f55 GH |
149 | typedef struct USBDescString USBDescString; |
150 | ||
151 | struct USBDescString { | |
152 | uint8_t index; | |
153 | char *str; | |
154 | QLIST_ENTRY(USBDescString) next; | |
155 | }; | |
37fb59d3 | 156 | |
bb36d470 FB |
157 | /* definition of a USB device */ |
158 | struct USBDevice { | |
806b6024 GH |
159 | DeviceState qdev; |
160 | USBDeviceInfo *info; | |
618c169b | 161 | USBPort *port; |
5f69076b | 162 | char *port_path; |
bb36d470 | 163 | void *opaque; |
89b9b79f | 164 | |
806b6024 GH |
165 | int speed; |
166 | uint8_t addr; | |
0fe6d12e | 167 | char product_desc[32]; |
61e094c0 | 168 | int auto_attach; |
a5d2f727 | 169 | int attached; |
806b6024 | 170 | |
c1ecb40a | 171 | int32_t state; |
806b6024 | 172 | uint8_t setup_buf[8]; |
19f33223 | 173 | uint8_t data_buf[4096]; |
c1ecb40a GH |
174 | int32_t remote_wakeup; |
175 | int32_t setup_state; | |
176 | int32_t setup_len; | |
177 | int32_t setup_index; | |
132a3f55 GH |
178 | |
179 | QLIST_HEAD(, USBDescString) strings; | |
a980a065 GH |
180 | const USBDescDevice *device; |
181 | const USBDescConfig *config; | |
806b6024 GH |
182 | }; |
183 | ||
184 | struct USBDeviceInfo { | |
185 | DeviceInfo qdev; | |
186 | int (*init)(USBDevice *dev); | |
187 | ||
188 | /* | |
189 | * Process USB packet. | |
89b9b79f AL |
190 | * Called by the HC (Host Controller). |
191 | * | |
806b6024 | 192 | * Returns length of the transaction |
89b9b79f | 193 | * or one of the USB_RET_XXX codes. |
806b6024 | 194 | */ |
4d611c9a | 195 | int (*handle_packet)(USBDevice *dev, USBPacket *p); |
89b9b79f | 196 | |
eb5e680a GH |
197 | /* |
198 | * Called when a packet is canceled. | |
199 | */ | |
200 | void (*cancel_packet)(USBDevice *dev, USBPacket *p); | |
201 | ||
806b6024 | 202 | /* |
89b9b79f AL |
203 | * Called when device is destroyed. |
204 | */ | |
059809e4 FB |
205 | void (*handle_destroy)(USBDevice *dev); |
206 | ||
b6f77fbe GH |
207 | /* |
208 | * Attach the device | |
209 | */ | |
210 | void (*handle_attach)(USBDevice *dev); | |
211 | ||
89b9b79f AL |
212 | /* |
213 | * Reset the device | |
806b6024 | 214 | */ |
059809e4 | 215 | void (*handle_reset)(USBDevice *dev); |
89b9b79f AL |
216 | |
217 | /* | |
218 | * Process control request. | |
219 | * Called from handle_packet(). | |
220 | * | |
221 | * Returns length or one of the USB_RET_ codes. | |
222 | */ | |
007fd62f | 223 | int (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, |
bb36d470 | 224 | int index, int length, uint8_t *data); |
89b9b79f AL |
225 | |
226 | /* | |
227 | * Process data transfers (both BULK and ISOC). | |
228 | * Called from handle_packet(). | |
229 | * | |
230 | * Returns length or one of the USB_RET_ codes. | |
231 | */ | |
4d611c9a | 232 | int (*handle_data)(USBDevice *dev, USBPacket *p); |
0958b4cc | 233 | |
06384698 | 234 | const char *product_desc; |
37fb59d3 | 235 | const USBDesc *usb_desc; |
06384698 | 236 | |
0958b4cc GH |
237 | /* handle legacy -usbdevice command line options */ |
238 | const char *usbdevice_name; | |
239 | USBDevice *(*usbdevice_init)(const char *params); | |
bb36d470 FB |
240 | }; |
241 | ||
0d86d2be | 242 | typedef struct USBPortOps { |
618c169b GH |
243 | void (*attach)(USBPort *port); |
244 | void (*detach)(USBPort *port); | |
01eacab6 | 245 | void (*wakeup)(USBDevice *dev); |
13a9a0d3 | 246 | void (*complete)(USBDevice *dev, USBPacket *p); |
0d86d2be | 247 | } USBPortOps; |
0d92ed30 | 248 | |
bb36d470 FB |
249 | /* USB port on which a device can be connected */ |
250 | struct USBPort { | |
a594cfbf | 251 | USBDevice *dev; |
843d4e0c | 252 | int speedmask; |
c7a2196a | 253 | char path[16]; |
0d86d2be | 254 | USBPortOps *ops; |
bb36d470 FB |
255 | void *opaque; |
256 | int index; /* internal port index, may be used with the opaque */ | |
72cf2d4f | 257 | QTAILQ_ENTRY(USBPort) next; |
bb36d470 FB |
258 | }; |
259 | ||
4d611c9a PB |
260 | typedef void USBCallback(USBPacket * packet, void *opaque); |
261 | ||
262 | /* Structure used to hold information about an active USB packet. */ | |
263 | struct USBPacket { | |
264 | /* Data fields for use by the driver. */ | |
265 | int pid; | |
266 | uint8_t devaddr; | |
267 | uint8_t devep; | |
268 | uint8_t *data; | |
269 | int len; | |
270 | /* Internal use by the USB layer. */ | |
4ff658fb | 271 | USBDevice *owner; |
4d611c9a PB |
272 | }; |
273 | ||
53aa8c0e | 274 | int usb_handle_packet(USBDevice *dev, USBPacket *p); |
4ff658fb GH |
275 | void usb_packet_complete(USBDevice *dev, USBPacket *p); |
276 | void usb_cancel_packet(USBPacket * p); | |
53aa8c0e | 277 | |
bb36d470 | 278 | void usb_attach(USBPort *port, USBDevice *dev); |
01eacab6 | 279 | void usb_wakeup(USBDevice *dev); |
4d611c9a | 280 | int usb_generic_handle_packet(USBDevice *s, USBPacket *p); |
50b7963e | 281 | void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); |
bb36d470 | 282 | int set_usb_string(uint8_t *buf, const char *str); |
4d611c9a PB |
283 | void usb_send_msg(USBDevice *dev, int msg); |
284 | ||
bb36d470 | 285 | /* usb-linux.c */ |
a594cfbf | 286 | USBDevice *usb_host_device_open(const char *devname); |
5d0c5750 | 287 | int usb_host_device_close(const char *devname); |
376253ec | 288 | void usb_host_info(Monitor *mon); |
59ae540c FB |
289 | |
290 | /* usb-hid.c */ | |
47e699dc | 291 | void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *)); |
2e5d83bb | 292 | |
e6a6d5ab AZ |
293 | /* usb-bt.c */ |
294 | USBDevice *usb_bt_init(HCIInfo *hci); | |
295 | ||
87ecb68b PB |
296 | /* usb ports of the VM */ |
297 | ||
87ecb68b PB |
298 | #define VM_USB_HUB_SIZE 8 |
299 | ||
942ac052 AZ |
300 | /* usb-musb.c */ |
301 | enum musb_irq_source_e { | |
302 | musb_irq_suspend = 0, | |
303 | musb_irq_resume, | |
304 | musb_irq_rst_babble, | |
305 | musb_irq_sof, | |
306 | musb_irq_connect, | |
307 | musb_irq_disconnect, | |
308 | musb_irq_vbus_request, | |
309 | musb_irq_vbus_error, | |
310 | musb_irq_rx, | |
311 | musb_irq_tx, | |
312 | musb_set_vbus, | |
313 | musb_set_session, | |
314 | __musb_irq_max, | |
315 | }; | |
316 | ||
bc24a225 PB |
317 | typedef struct MUSBState MUSBState; |
318 | MUSBState *musb_init(qemu_irq *irqs); | |
319 | uint32_t musb_core_intr_get(MUSBState *s); | |
320 | void musb_core_intr_clear(MUSBState *s, uint32_t mask); | |
321 | void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); | |
806b6024 GH |
322 | |
323 | /* usb-bus.c */ | |
324 | ||
325 | struct USBBus { | |
326 | BusState qbus; | |
07771f6f | 327 | USBBusOps *ops; |
806b6024 GH |
328 | int busnr; |
329 | int nfree; | |
330 | int nused; | |
72cf2d4f BS |
331 | QTAILQ_HEAD(, USBPort) free; |
332 | QTAILQ_HEAD(, USBPort) used; | |
333 | QTAILQ_ENTRY(USBBus) next; | |
806b6024 GH |
334 | }; |
335 | ||
07771f6f GH |
336 | struct USBBusOps { |
337 | void (*device_destroy)(USBBus *bus, USBDevice *dev); | |
338 | }; | |
339 | ||
340 | void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host); | |
806b6024 GH |
341 | USBBus *usb_bus_find(int busnr); |
342 | void usb_qdev_register(USBDeviceInfo *info); | |
343 | void usb_qdev_register_many(USBDeviceInfo *info); | |
a5d2f727 | 344 | USBDevice *usb_create(USBBus *bus, const char *name); |
806b6024 | 345 | USBDevice *usb_create_simple(USBBus *bus, const char *name); |
0958b4cc | 346 | USBDevice *usbdevice_create(const char *cmdline); |
a5d2f727 | 347 | void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, |
ace1318b | 348 | USBPortOps *ops, int speedmask); |
c7a2196a | 349 | void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); |
a8e662b5 | 350 | void usb_unregister_port(USBBus *bus, USBPort *port); |
a5d2f727 | 351 | int usb_device_attach(USBDevice *dev); |
a8e662b5 | 352 | int usb_device_detach(USBDevice *dev); |
a5d2f727 GH |
353 | int usb_device_delete_addr(int busnr, int addr); |
354 | ||
355 | static inline USBBus *usb_bus_from_device(USBDevice *d) | |
356 | { | |
357 | return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); | |
358 | } |